op-service/backoff: Refactor to use time.Duration instead of float/int.

Fixes mergify config

ci: move devnet test to make target

fix: Remove dotenv

Make shebangs more portable

changed backoff/strategies.go and backoff/strategies_test.go, only types and a function changed

**Description**

No features added. Just refactored backoff package to allow only types from time.Duration on time related variables.

**Tests**

Only modified a single test to use time.Duration instead of int.

**Metadata**

- Fixes #[[Link to Issue](https://github.com/ethereum-optimism/optimism/issues/6730#issuecomment-1678950667)]
Co-authored-by: Rcontre360 <rcontreraspimentel@gmail.com>

Update code examples in README

fix(revert filechange)

feat(op-chain-ops): Add fault proof params to `DeployConfig`

contracts-bedrock: delete dead deploy config validation

Merge pull request #6855 from ethereum-optimism/08-17-feat_indexer_Use_default_indexer.toml_in_default_Docker_CMD

feat(indexer): Use default indexer.toml in default Docker CMD

contracts-bedrock: redeploy mintable erc20 factory

chore(indexer): Disable flaky indexer tests

Redeploy the erc20 mintable factory such that it no longer
uses the bridge value as an immutable but instead places it
in storage. The upgrade script is updated to call the initialize
function as well with the proxy of the L1 standard bridge.

* Automatically add area labels unless label count >= 5

* Fix regex multi-file rules

Cast GameStatusString onto Status Type

Clean up Contributing Guide Labels Section

When encountering devnet test failures in CI, they're challenging to
resolve and reproduce locally because the commands are embedded into the
CI configuration and not the Makefile.