Finish py3.13 support and move docker to 3.13

[cooperlees]

• Update classifiers
• Add 3.13 to CI
• Move Dockerfile to use 3.13 by default
• Add py3.13 to filter plugin filename_name.py

Test:

• Build docker locally

cooper@cooper-fedora-MJ0J8MTZ:~/repos/bandersnatch$ docker build -t bandersnatch_test --network host .
[+] Building 1.0s (23/23) FINISHED                                                                       docker:default
 => [internal] load build definition from Dockerfile                                                               0.1s
 => => transferring dockerfile: 1.23kB                                                                             0.0s
 => [internal] load metadata for docker.io/library/python:3.13-slim                                                0.4s
 => [internal] load metadata for docker.io/library/python:3.13                                                     0.5s
 => [internal] load .dockerignore                                                                                  0.1s
 => => transferring context: 290B                                                                                  0.0s
 => [base 1/1] FROM docker.io/library/python:3.13@sha256:cea505b81701dd9e46b8dde96eaa8054c4bd2035dbb660edeb7af947  0.0s
 => [stage-2  1/10] FROM docker.io/library/python:3.13-slim@sha256:1127090f9fff0b8e7c3a1367855ef8a3299472d2c9ed12  0.0s
 => [internal] load build context                                                                                  0.1s
 => => transferring context: 36.67kB                                                                               0.0s
 => CACHED [builder 1/6] RUN mkdir /install                                                                        0.0s
 => CACHED [builder 2/6] WORKDIR /install                                                                          0.0s
 => CACHED [builder 3/6] RUN pip install --target="/install" --upgrade pip setuptools wheel                        0.0s
 => CACHED [builder 4/6] ADD requirements_s3.txt /install                                                          0.0s
 => CACHED [builder 5/6] ADD requirements.txt /install                                                             0.0s
 => CACHED [builder 6/6] RUN if [ ! -z "$WITH_S3" ]      ; then      pip install --target="/install"         -r r  0.0s
 => CACHED [stage-2  2/10] COPY --from=builder /install /usr/local/lib/python3.13/site-packages                    0.0s
 => CACHED [stage-2  3/10] RUN mkdir /bandersnatch && mkdir /conf && chmod 777 /conf                               0.0s
 => CACHED [stage-2  4/10] WORKDIR /bandersnatch                                                                   0.0s
 => CACHED [stage-2  5/10] COPY setup.cfg /bandersnatch                                                            0.0s
 => CACHED [stage-2  6/10] COPY setup.py /bandersnatch                                                             0.0s
 => CACHED [stage-2  7/10] COPY README.md /bandersnatch                                                            0.0s
 => CACHED [stage-2  8/10] COPY LICENSE /bandersnatch                                                              0.0s
 => CACHED [stage-2  9/10] COPY src /bandersnatch/src                                                              0.0s
 => CACHED [stage-2 10/10] RUN if [ ! -z "$WITH_S3" ]      ; then      pip --no-cache-dir install /bandersnatch/[  0.0s
 => exporting to image                                                                                             0.0s
 => => exporting layers                                                                                            0.0s
 => => writing image sha256:6e8a0c36d35f211ab9dea942fd3caaeac2d40285800a9c395335dc12c9657e9c                       0.0s
 => => naming to docker.io/library/bandersnatch_test

• Actions on PR