Update croniter requirement from ~=1.3.4 to ~=1.3.7 in /telegram_bot

Updates the requirements on [croniter](https://github.com/kiorky/croniter) to permit the latest version.
- [Release notes](https://github.com/kiorky/croniter/releases)
- [Changelog](https://github.com/kiorky/croniter/blob/master/docs/CHANGES.rst)
- [Commits](https://github.com/kiorky/croniter/compare/1.3.4...1.3.7)

---
updated-dependencies:
- dependency-name: croniter
  dependency-type: direct:production
...

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

.github/dependabot.yml

@@ -10,8 +10,6 @@ updates:
     directory: "/api"
     schedule:
       interval: "daily"
-    assignees:
-      - "H4CK3R-01"
     open-pull-requests-limit: 100
 
   # Bot
@@ -19,10 +17,6 @@ updates:
     directory: "/telegram_bot"
     schedule:
       interval: "daily"
-    assignees:
-      - "NormalParameter"
-      - "Rripped"
-      - "FlorianKellermann"
     open-pull-requests-limit: 100
   
   # Frontend
@@ -30,6 +24,4 @@ updates:
     directory: "/frontend"
     schedule:
       interval: "daily"
-    assignees:
-      - "kevinpauer"
     open-pull-requests-limit: 100

telegram_bot/requirements.txt

@@ -4,7 +4,7 @@ newsapi-python~=0.2.6
 python-dotenv~=0.20.0
 requests~=2.27.1
 APScheduler~=3.9.1
-croniter~=1.3.4
+croniter~=1.3.7
 tzlocal==2.1
 investpy~=1.0.8
 pandas~=1.4.1