Bump pyqt5 from 5.15.4 to 5.15.9

Bumps [pyqt5](https://www.riverbankcomputing.com/software/pyqt/) from 5.15.4 to 5.15.9.

---
updated-dependencies:
- dependency-name: pyqt5
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,5 +1,5 @@
 numpy==1.21.4
-opencv-contrib-python-headless==4.7.0.72
+opencv-contrib-python-headless==4.1.2.30
 scipy==1.7.2
 tensorflow==2.7.4
 colorama==0.4.4
@@ -8,5 +8,5 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.18.3
 h5py==3.1.0
-PyQt5==5.15.4
+PyQt5==5.15.9
 numexpr==2.7.3

requirements_3.10.txt

@@ -9,4 +9,4 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.19.2
 h5py==3.6.0
-PyQt5==5.15.4
+PyQt5==5.15.9

requirements_3.6.txt

@@ -1,5 +1,5 @@
 numpy==1.19.2
-opencv-contrib-python-headless==4.7.0.72
+opencv-contrib-python-headless==4.1.2.30
 scipy==1.5.4
 tensorflow==2.6.2
 colorama==0.4.4
@@ -8,5 +8,5 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.17.2
 h5py==3.1.0
-PyQt5==5.15.4
+PyQt5==5.15.9
 numexpr==2.7.3

requirements_3.9.txt

@@ -1,5 +1,5 @@
 numpy==1.21.4
-opencv-contrib-python-headless==4.7.0.72
+opencv-contrib-python-headless==4.5.1.48
 scipy==1.7.2
 tensorflow==2.7.4
 colorama==0.4.4
@@ -8,5 +8,5 @@ ffmpeg-python==0.2.0
 Pillow==8.4.0
 scikit-image==0.18.3
 h5py==3.1.0
-PyQt5==5.15.4
+PyQt5==5.15.9
 numexpr==2.7.3