structured-tasks: add `text` column

data/structured-tasks/part-00000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:399c385544cff25e7f4bc7fcdc7239c92ae7fdf3a83333467e92af9ff8657432
-size 8196129
+oid sha256:058ab05525102a1ad9ee020b588b4d03af3f5de6b5c7ffa15402d7829408a989
+size 8209693

data/structured-tasks/part-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4a780333d02245142ddef1d594ffc315145878d5ad16c2fe5873867f38696939
-size 90397065
+oid sha256:83fa3bd18b8ee5892adb42b789ea61a8298782153e3714f87c5e62841d1b4db7
+size 90399874

data/structured-tasks/part-00002.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f0dc8f9582d14163b40849d619f055f4b5b314687cafd951a99e4154e39f626d
-size 15039763
+oid sha256:bd19699dc1652c0bcfb3ad2dac085954127d71f56dfcbcf89a68833c401ebe83
+size 15046685