Bump the dependencies group with 3 updates (#925)

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 3.5.3 to 3.6.0
- [Release notes](https://github.com/sigstore/sigstore-python/releases)
- [Changelog](https://github.com/sigstore/sigstore-python/blob/main/CHANGELOG.md)
- [Commits](sigstore/sigstore-python@v3.5.3...v3.6.0)

Updates `boto3` from 1.35.77 to 1.35.82
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.35.77...1.35.82)

Updates `botocore` from 1.35.77 to 1.35.82
- [Commits](boto/botocore@1.35.77...1.35.82)

---
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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-aws.txt

@@ -1,2 +1,2 @@
-boto3==1.35.77
-botocore==1.35.77
+boto3==1.35.82
+botocore==1.35.82

requirements-sigstore.txt

@@ -1 +1 @@
-sigstore==3.5.3
+sigstore==3.6.0