Fix: Update Flask and internal packages. (Redmine issue: #7587)

conf/requirements.pip

@@ -10,29 +10,29 @@ jinja2==3.0.3
 blinker==1.4
 bsddb3==6.2.7
 werkzeug==2.0.2
-flask==2.1.2
-flask-login==0.6.1
-flask-mail==0.9.1
-flask-migrate==3.1.0
-flask-babel==2.0.0
-flask-principal==0.4.0
-flask-wtf==1.0.1
-flask-script==2.0.6
-flask-sqlalchemy==2.5.1
-flask-debugtoolbar==0.13.1
-flask-jsglue==0.3.1
+flask>=2.1.3,<3.0.0
+flask-login>=0.6.1,<1.0.0
+flask-mail>=0.9.1,<1.0.0
+flask-migrate>=3.1.0,<4.0.0
+flask-babel>=2.0.0,<3.0.0
+flask-principal>=0.4.0,<1.0.0
+flask-wtf>=1.0.1,<2.0.0
+flask-script>=2.0.6,<3.0.0
+flask-sqlalchemy>=2.5.1,<3.0.0
+flask-debugtoolbar>=0.13.1,<1.0.0
+flask-jsglue>=0.3.1,<1.0.0
 dnspython==1.16.0
 geoip2==3.0.0
 maxminddb==1.5.2
 requests==2.23.0
 rrdtool==0.1.15
 pyyaml==5.3.1
-pydgets==0.9
-pyzenkit==0.61
-pynspect==0.20
-ipranges==0.1.10
-typedcols==0.1.13
-idea-format==0.1.11
+pydgets>=0.9,<1.0
+pyzenkit>=0.61,<1.0
+pynspect>=0.20,<1.0
+ipranges>=0.1.10,<1.0.0
+typedcols>=0.1.13,<1.0.0
+idea-format>=0.1.11,<1.0.0
 python-dateutil==2.8.1
 PyBabel-json-md==0.1.0
 itsdangerous==2.0.1