fix(deps): update dependency google/cloud-functions-framework to ^0.7 (GoogleCloudPlatform#1284)

[![WhiteSource Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [google/cloud-functions-framework](https://togithub.com/GoogleCloudPlatform/functions-framework-php) | require | minor | `^0.6` -> `^0.7` |

---

### Release Notes


GoogleCloudPlatform/functions-framework-php

### [`v0.7.1`](https://togithub.com/GoogleCloudPlatform/functions-framework-php/releases/v0.7.1)

[Compare Source](https://togithub.com/GoogleCloudPlatform/functions-framework-php/compare/v0.7.0...v0.7.1)

#### Bug Fixes

-   allow array data when parsing binary event ([#​63](https://togithub.com/GoogleCloudPlatform/functions-framework-php/issues/63))

### [`v0.7.0`](https://togithub.com/GoogleCloudPlatform/functions-framework-php/releases/v0.7.0)

[Compare Source](https://togithub.com/GoogleCloudPlatform/functions-framework-php/compare/v0.6.0...v0.7.0)

##### Features

-   add handling for exceptions ([#​62](https://togithub.com/GoogleCloudPlatform/functions-framework-php/issues/62))
-   add support for structured events ([#​59](https://togithub.com/GoogleCloudPlatform/functions-framework-php/issues/59))



---

### Renovate configuration

:date: **Schedule**: At any time (no schedule defined).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/GoogleCloudPlatform/php-docs-samples).

Author: renovate-bot

functions/slack_slash_command/composer.json

@@ -1,6 +1,6 @@
 {
     "require": {
-        "google/cloud-functions-framework": "^0.6",
+        "google/cloud-functions-framework": "^0.7",
         "google/apiclient": "^2.8"
     },
     "scripts": {