Bump safer-golangci-lint.yml to 1.49.0

[x448]

Bump from 1.46.2 to 1.49.0. Identical to latest at github.com/x448/safer-golangci-lint.

# Release v1.49.0 (September 18, 2022)
#   - Bump golangci-lint to 1.49.0
#   - Bump Go to 1.19 (latest version of 1.19.x because check-latest: true).
#   - Put Go version in environment variable GO_VERSION.
#   - Increase timeout to 15m for big projects enabling more linters.
#   - Use SHA-256 to verify (instead of SHA-384) and mention checksums file.
#   - Hash of golangci-lint-1.49.0-linux-amd64.tar.gz
#     - SHA-384: df59267a11317d2763fb6cb454a9b3a6a6d428f4750fcbb8604fb0d289b18a1b3b6cd2bfbf2a2fe976979e97a71fcc36
#     - SHA-256: 5badc6e9fee2003621efa07e385910d9a88c89b38f6c35aded153193c5125178
#                This SHA-256 digest matches golangci-lint-1.49.0-checksums.txt at
#                https://github.com/golangci/golangci-lint/releases