Release for 21.0.3

Nightly CICD Workflows for docker/integration tests (must be on default branch)

Adjusting scheduled workflows cron

Adding two pipelines for release branch for ci/cd (default branch)

Adding dependabot.yml settings file to configure Dependabot

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 154c24e1f33dbb5865a021c99f1318cfebf27b32 to 1.1.2. This release includes the previously tagged commit.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@154c24e...2a4b536)

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [actions/checkout](https://github.com/actions/checkout) from f90c7b395dac7c5a277c1a6d93d5057c1cddb74e to 2.3.4. This release includes the previously tagged commit.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@f90c7b3...5a4ac90)

Signed-off-by: dependabot[bot] <support@github.com>

…737caa058c395ecfcb

Updates the requirements on [cypress-io/github-action](https://github.com/cypress-io/github-action) to permit the latest version.
- [Release notes](https://github.com/cypress-io/github-action/releases)
- [Commits](https://github.com/cypress-io/github-action/commits/89161930792c0050baeba2737caa058c395ecfcb)

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 4a531fa5a603bab87dfa56578bd82b28508c9547 to 2.4.0. This release includes the previously tagged commit.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@4a531fa...e1b7f96)

Signed-off-by: dependabot[bot] <support@github.com>

…ocker/setup-buildx-action-2a4b53665e15ce7d7049afb11ff1f70ff1610609

Bump docker/setup-buildx-action from 154c24e1f33dbb5865a021c99f1318cfebf27b32 to 1.1.2

…ctions/checkout-5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f

Bump actions/checkout from f90c7b395dac7c5a277c1a6d93d5057c1cddb74e to 2.3.4

…ypress-io/github-action-89161930792c0050baeba2737caa058c395ecfcb

Update cypress-io/github-action requirement to 89161930792c0050baeba2737caa058c395ecfcb

…92e86e18d5ea

Updates the requirements on [actions/setup-node](https://github.com/actions/setup-node) to permit the latest version.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/commits/46071b5c7a2e0c34e49c3cb8a0e792e86e18d5ea)

Signed-off-by: dependabot[bot] <support@github.com>

…ocker/build-push-action-e1b7f96249f2e4c8e4ac1519b9608c0d48944a1f

Bump docker/build-push-action from 4a531fa5a603bab87dfa56578bd82b28508c9547 to 2.4.0

…ctions/setup-node-46071b5c7a2e0c34e49c3cb8a0e792e86e18d5ea

Update actions/setup-node requirement to 46071b5c7a2e0c34e49c3cb8a0e792e86e18d5ea