Bump the dependencies group with 3 updates

Bumps the dependencies group with 3 updates: [sigstore](https://github.com/sigstore/sigstore-python), [boto3](https://github.com/boto/boto3) and [botocore](https://github.com/boto/botocore).


Updates `sigstore` from 3.2.0 to 3.3.0
- [Release notes](https://github.com/sigstore/sigstore-python/releases)
- [Changelog](https://github.com/sigstore/sigstore-python/blob/main/CHANGELOG.md)
- [Commits](sigstore/sigstore-python@v3.2.0...v3.3.0)

Updates `boto3` from 1.35.15 to 1.35.25
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.35.15...1.35.25)

Updates `botocore` from 1.35.15 to 1.35.25
- [Changelog](https://github.com/boto/botocore/blob/develop/CHANGELOG.rst)
- [Commits](boto/botocore@1.35.15...1.35.25)

---
updated-dependencies:
- dependency-name: sigstore
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: boto3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: botocore
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-aws.txt

@@ -1,2 +1,2 @@
-boto3==1.35.15
-botocore==1.35.15
+boto3==1.35.25
+botocore==1.35.25

requirements-sigstore.txt

@@ -1 +1 @@
-sigstore==3.2.0
+sigstore==3.3.0