fix(minor): update requirements.txt

requirements.txt

@@ -35,7 +35,7 @@ oauthlib==3.1.0
 openpyxl==2.6.4
 passlib==1.7.3
 pdfkit==0.6.1
-Pillow==7.1.0
+Pillow>=8.0.0
 premailer==3.6.1
 psycopg2-binary==2.8.4
 pyasn1==0.4.8
@@ -74,4 +74,4 @@ pycryptodome==3.9.8
 paytmchecksum==1.7.0
 wrapt==1.10.11
 razorpay==1.2.0
-rsa>=4.1 # not directly required, pinned by Snyk to avoid a vulnerability
+rsa>=4.1 # not directly required, pinned by Snyk to avoid a vulnerability