Update pandas requirement from ~=1.4.1 to ~=1.4.4 in /telegram_bot

Updates the requirements on [pandas](https://github.com/pandas-dev/pandas) to permit the latest version.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Changelog](https://github.com/pandas-dev/pandas/blob/main/RELEASE.md)
- [Commits](https://github.com/pandas-dev/pandas/compare/v1.4.1...v1.4.4)

---
updated-dependencies:
- dependency-name: pandas
  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

@@ -7,5 +7,5 @@ APScheduler~=3.9.1
 croniter~=1.3.4
 tzlocal==2.1
 investpy~=1.0.8
-pandas~=1.4.1
+pandas~=1.4.4
 currencyconverter~=0.16.12