Add Dependabot version alerts

Bump guzzlehttp/guzzle from 7.9.2 to 7.9.3

Bumps [guzzlehttp/guzzle](https://github.com/guzzle/guzzle) from 7.9.2 to 7.9.3.
- [Release notes](https://github.com/guzzle/guzzle/releases)
- [Changelog](https://github.com/guzzle/guzzle/blob/7.9/CHANGELOG.md)
- [Commits](guzzle/guzzle@7.9.2...7.9.3)

---
updated-dependencies:
- dependency-name: guzzlehttp/guzzle
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Bump league/route from 5.1.2 to 6.2.0

Bumps [league/route](https://github.com/thephpleague/route) from 5.1.2 to 6.2.0.
- [Release notes](https://github.com/thephpleague/route/releases)
- [Changelog](https://github.com/thephpleague/route/blob/6.x/CHANGELOG.md)
- [Commits](thephpleague/route@5.1.2...6.2.0)

---
updated-dependencies:
- dependency-name: league/route
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Bump league/route from 5.1.2 to 6.2.0

Bumps [league/route](https://github.com/thephpleague/route) from 5.1.2 to 6.2.0.
- [Release notes](https://github.com/thephpleague/route/releases)
- [Changelog](https://github.com/thephpleague/route/blob/6.x/CHANGELOG.md)
- [Commits](thephpleague/route@5.1.2...6.2.0)

---
updated-dependencies:
- dependency-name: league/route
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Bump league/route from 5.1.2 to 6.2.0

Bumps [league/route](https://github.com/thephpleague/route) from 5.1.2 to 6.2.0.
- [Release notes](https://github.com/thephpleague/route/releases)
- [Changelog](https://github.com/thephpleague/route/blob/6.x/CHANGELOG.md)
- [Commits](thephpleague/route@5.1.2...6.2.0)

---
updated-dependencies:
- dependency-name: league/route
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Bump splitbrain/php-cli from 1.3.1 to 1.3.4

Bumps [splitbrain/php-cli](https://github.com/splitbrain/php-cli) from 1.3.1 to 1.3.4.
- [Commits](splitbrain/php-cli@1.3.1...1.3.4)

---
updated-dependencies:
- dependency-name: splitbrain/php-cli
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: ericmann

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "composer" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

composer.json

@@ -11,7 +11,7 @@
     ],
     "minimum-stability": "stable",
     "require": {
-        "league/route": "^5.1",
+        "league/route": "^6.2",
         "laminas/laminas-diactoros": "^3.5",
         "laminas/laminas-httphandlerrunner": "^2.11",
         "ramsey/uuid": "^4.7",