Bump rsa from 3.4.2 to 4.7

Bumps [rsa](https://github.com/sybrenstuvel/python-rsa) from 3.4.2 to 4.7.
- [Release notes](https://github.com/sybrenstuvel/python-rsa/releases)
- [Changelog](https://github.com/sybrenstuvel/python-rsa/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sybrenstuvel/python-rsa/compare/version-3.4.2...version-4.7)

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

private_dot_newsboat/urls

@@ -21,4 +21,3 @@ https://www.kill-the-newsletter.com/feeds/5guqrixbconkaq4dtfa0.xml
 https://www.kill-the-newsletter.com/feeds/a64hwil6d0amjfsa3fo2.xml
 https://www.kill-the-newsletter.com/feeds/eyobd9lr5rtaj1ga9kg0.xml
 https://www.switchaboo.com/rss/
-https://blog.eban.bzh/rss.xml

requirements.txt

@@ -57,7 +57,7 @@ jupyter-core==4.6.1
 kitchen==1.2.6
 kiwisolver==1.1.0
 lazy-object-proxy==1.4.3
-lxml==4.6.5
+lxml==4.4.1
 matplotlib==3.1.1
 mccabe==0.6.1
 mock==3.0.5
@@ -74,7 +74,7 @@ pexpect==4.7.0
 pickleshare==0.7.5
 pigpio==1.44
 Pillow==6.2.1
-pipenv==2022.1.8
+pipenv==2018.11.26
 pkginfo==1.5.0.1
 pocket==0.3.6
 prompt-toolkit==2.0.10
@@ -119,7 +119,7 @@ relint==1.2.1
 requests-futures==1.0.0
 requests-toolbelt==0.9.1
 requests==2.24.0
-rsa==3.4.2
+rsa==4.7
 rtv==1.27.0
 Scrapy==1.8.0
 semver==2.9.0
@@ -210,7 +210,7 @@ jupyter-core==4.6.1
 kitchen==1.2.6
 kiwisolver==1.1.0
 lazy-object-proxy==1.4.3
-lxml==4.6.5
+lxml==4.4.1
 matplotlib==3.1.1
 mccabe==0.6.1
 mock==3.0.5
@@ -227,7 +227,7 @@ pexpect==4.7.0
 pickleshare==0.7.5
 pigpio==1.44
 Pillow==6.2.1
-pipenv==2022.1.8
+pipenv==2018.11.26
 pkginfo==1.5.0.1
 pocket==0.3.6
 prompt-toolkit==2.0.10
@@ -251,7 +251,7 @@ python-vlc==3.0.10114
 pyzmq==18.1.0
 regex==2019.11.1
 requests==2.24.0
-rsa==3.4.2
+rsa==4.7
 sh==1.12.14
 six==1.15.0
 soupsieve==2.0.1