Update dependency panflute to v2

renovate-bot · renovate-bot · commit c07974d2ac36 · 2021-01-22T18:56:15.000Z
diff --git a/src/requirements.txt b/src/requirements.txt
@@ -1,3 +1,3 @@
 pandoc-acronyms==0.5.202003081156
-panflute==1.12.5
+panflute==2.0.5
 pygments==2.6.1
